Imaginary Picture of HATS-22 b

Display orbital revolution of HATS-22 b around the hoststar HATS-22
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Exoplanet Name : HATS-22 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9530 (Rjup) 10.6822 (Rearth)
Mass (Mjup / Me): 2.7400 (Mjup) 871.1501 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0503 (AU) 0.0503 (AU Est.)
Eccentricity : 0.0790
Orbital Period(Yrs) 0.0129
Orbital Period(Observed/Estimated) 4.72 (Days Obs.) 4.72 (Days Est.)
Surface Gravity (G Earth) 7.6344
Star Radiation at Atmospheric Boundary: 122693.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 835.3 (K)
Blackbody T 0.3(K) 784.4 (K)
Blackbody T 0.7(K) 634.7 (K)
Tidally Locked Blackbody T 0.1(K) 993.4 (K)
Tidally Locked Blackbody T 0.3(K) 932.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HATS-22
Alternate Name :
Star Distance(LY) : 678.1
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.6 (GY)
Temperature : 4803 (K)
Spectral type : K3
UV portion[%]: 2.4
Visible portion[%]: 35.5
IR portion[%]: 62.1
Metalicity : 0.0
Absolute Magnitude: 6.9
Apparent Magnitude: 13.5
Right Ascension(RA) 174.0083
Declination (DEC) -29.6006
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link
HATS-22 b
HATS-22 b

  • HATS-22 b is an exoplanet orbiting the star HATS-22, located about 678.1 light-years (207.9 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HATS-22 has apparent magnitude of 13.5, with absolute magnitude of 6.9.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4803 with its spectral types of K3
  • In this planetary system, the extrasolar planet HATS-22 b orbits around the star HATS-22 every 4.7 days with its orbital distance of 0.05 AU ( 7517293.0 km)
  • (Projected orbit of HATS-22 b around its host star HATS-22)


  • The Star HATS-22 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.344 AU ( 51511299.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.476 AU ( 71202077.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.725 AU ( 108496209.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.067 AU ( 159656925.0 km)
  • Radiation at Planetary Boundary of HATS-22 b : 122693.48 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HATS-22)



  • Kopparapu Recent Venus for Star HATS-22 distance : 0.376 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HATS-22 distance : 0.476 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HATS-22 distance : 0.460 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HATS-22 distance : 0.505 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-22 distance : 0.869 AU
  • Kopparapu Outer Boundary for Early Mars for Star HATS-22 distance : 0.917 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HATS-22)



  • Original Kopparapu Recent Venus for Star HATS-22 distance : 0.371 AU
  • Original Kopparapu Runaway Greenhouse for Star HATS-22 distance : 0.491 AU
  • Original Kopparapu Moist Greenhouse for Star HATS-22 distance : 0.491 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HATS-22 distance : 0.884 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HATS-22 distance : 0.919 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HATS-22)



    (Position in Stellar Map of star HATS-22 and its Exoplanet HATS-22 b)



    (Zoomed position in Stellar Map of star HATS-22 and its Exoplanet HATS-22 b (zoom level 3))

    (Synthetic Spectrum of star HATS-22*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102